Fixes BottomSheetFragment crash

app/src/main/java/net/pokeranalytics/android/ui/fragment/components/bottomsheet/BottomSheetFragment.kt

@@ -27,6 +27,15 @@ import net.pokeranalytics.android.ui.view.rowrepresentable.TransactionRow
 import net.pokeranalytics.android.ui.viewmodel.BottomSheetViewModel
 import java.util.*
 
+class BottomSheetConfig(var row: RowRepresentable,
+                        var delegate: RowRepresentableDelegate,
+                        var rowRepresentableEditDescriptors: ArrayList<RowRepresentableEditDescriptor>?,
+                        var isClearable: Boolean? = true,
+                        var currentCurrency: Currency? = null,
+                        var isDeletable: Boolean? = false,
+                        var valueHasPlaceholder: Boolean? = null) {
+}
+
 
 open class BottomSheetFragment : BottomSheetDialogFragment() {
 
@@ -37,17 +46,10 @@ open class BottomSheetFragment : BottomSheetDialogFragment() {
 		ViewModelProviders.of(this).get(BottomSheetViewModel::class.java)
 	}
 
-	var row: RowRepresentable? = null
-	var delegate: RowRepresentableDelegate? = null
-	var currentCurrency: Currency? = null
-	var valueAsPlaceholder: Boolean = false
-
-	private var isClearable: Boolean = true
-	private var isDeletable: Boolean = false
-	private var rowRepresentableEditDescriptors: ArrayList<RowRepresentableEditDescriptor>? = null
-
 	companion object {
 
+		private var config: BottomSheetConfig? = null
+
 		const val REQUEST_CODE_ADD_NEW_OBJECT = 100
 
 		fun create(
@@ -62,14 +64,7 @@ open class BottomSheetFragment : BottomSheetDialogFragment() {
 		): BottomSheetFragment {
 			val bottomSheetFragment = newInstance(row.bottomSheetType)
 			bottomSheetFragment.show(fragmentManager, "bottomSheet")
-//			bottomSheetFragment.configure(row, delegate, rowRepresentableEditDescriptors, isClearable, currentCurrency, isDeletable, valueHasPlaceholder)
-			bottomSheetFragment.row = row
-			bottomSheetFragment.delegate = delegate
-			bottomSheetFragment.rowRepresentableEditDescriptors = rowRepresentableEditDescriptors
-			bottomSheetFragment.isClearable = isClearable ?: true
-			bottomSheetFragment.isDeletable = isDeletable ?: true
-			bottomSheetFragment.valueAsPlaceholder = valueHasPlaceholder ?: true
-			bottomSheetFragment.currentCurrency = currentCurrency
+			this.config = BottomSheetConfig(row, delegate, rowRepresentableEditDescriptors, isClearable, currentCurrency, isDeletable, valueHasPlaceholder)
 			return bottomSheetFragment
 		}
 
@@ -92,24 +87,6 @@ open class BottomSheetFragment : BottomSheetDialogFragment() {
 
 	}
 
-	private fun configure(row: RowRepresentable,
-	                      delegate: RowRepresentableDelegate,
-	                      rowRepresentableEditDescriptors: ArrayList<RowRepresentableEditDescriptor>?,
-	                      isClearable: Boolean? = true,
-	                      currentCurrency: Currency? = null,
-	                      isDeletable: Boolean? = false,
-	                      valueHasPlaceholder: Boolean? = null) {
-
-		this.viewModel.row = row
-		this.viewModel.delegate = delegate
-		this.viewModel.rowRepresentableEditDescriptors = rowRepresentableEditDescriptors
-		this.viewModel.isClearable = isClearable ?: true
-		this.viewModel.currentCurrency = currentCurrency
-		this.viewModel.isDeletable = isDeletable ?: false
-		this.viewModel.valueAsPlaceholder = valueHasPlaceholder ?: false
-
-	}
-
 	override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
 		//TODO: When dependency 'com.google.android.material:material:1.1.0' will be available in stable version, upgrade and remove that
 		val contextThemeWrapper = ContextThemeWrapper(activity, R.style.PokerAnalyticsTheme)
@@ -118,11 +95,28 @@ open class BottomSheetFragment : BottomSheetDialogFragment() {
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		this.configure(this.row!!, this.delegate!!, this.rowRepresentableEditDescriptors, this.isClearable, this.currentCurrency, this.isDeletable, this.valueAsPlaceholder)
+
+		config?.let {
+			this.configure(it)
+			config = null
+		}
+
 		this.viewModel.load()
 		initUI()
 	}
 
+	private fun configure(configuration: BottomSheetConfig) {
+
+		this.viewModel.row = configuration.row
+		this.viewModel.delegate = configuration.delegate
+		this.viewModel.rowRepresentableEditDescriptors = configuration.rowRepresentableEditDescriptors
+		this.viewModel.isClearable = configuration.isClearable ?: true
+		this.viewModel.currentCurrency = configuration.currentCurrency
+		this.viewModel.isDeletable = configuration.isDeletable ?: false
+		this.viewModel.valueAsPlaceholder = configuration.valueHasPlaceholder ?: false
+
+	}
+
 	override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
 		super.onActivityResult(requestCode, resultCode, data)